Thought of one more, relatively obscure WWII movie worth seeking out - The man Who Never Was.

"The Man Who Never Was is a nonfiction 1953 book by Ewen Montagu and a 1956 World War II war film, based on the book and dramatizing actual events. It is about Operation 'Mincemeat', a 1943 British Intelligence plan to deceive the Axis powers into thinking Operation 'Husky', the Allied invasion of Sicily, would take place elsewhere.

To create the illusion of a plan for England to invade Sardinia and/or Greece, a dead body is to be procured, allowed to be found with secret papers on him by Spanish authorities who will send the papers on to the Germans, or that's the plan."

Jack

"People generally quarrel because they cannot argue." - G. K. Chesterton